1 /* $Id: charset-converter.cpp,v 1.2 2005-05-06 06:55:54 adam Exp $
2 Copyright (c) 1998-2005, Index Data.
4 This file is part of the yaz-proxy.
6 YAZ proxy is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with YAZ proxy; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #include <yaz/proto.h>
26 Yaz_CharsetConverter::Yaz_CharsetConverter()
28 m_wrbuf = wrbuf_alloc();
29 m_target_query_charset = 0;
30 m_client_query_charset = 0;
33 Yaz_CharsetConverter::~Yaz_CharsetConverter()
35 wrbuf_free(m_wrbuf, 1);
36 xfree(m_target_query_charset);
37 xfree(m_client_query_charset);
40 void Yaz_CharsetConverter::set_target_query_charset(const char *s)
42 xfree(m_target_query_charset);
43 m_target_query_charset = 0;
45 m_target_query_charset = xstrdup(s);
48 void Yaz_CharsetConverter::set_client_query_charset(const char *s)
50 xfree(m_client_query_charset);
51 m_client_query_charset = 0;
53 m_client_query_charset = xstrdup(s);
56 void Yaz_CharsetConverter::convert_type_1(char *buf_in, int len_in,
57 char **buf_out, int *len_out,
60 wrbuf_rewind(m_wrbuf);
61 wrbuf_iconv_write(m_wrbuf, m_ct, buf_in, len_in);
63 *len_out = wrbuf_len(m_wrbuf);
65 { // we assume conversion failed
71 *buf_out = (char*) odr_malloc(o, *len_out);
72 memcpy(*buf_out, wrbuf_buf(m_wrbuf), *len_out);
76 void Yaz_CharsetConverter::convert_type_1(Z_Term *q, ODR o)
81 convert_type_1((char *) q->u.general->buf, q->u.general->len,
82 (char **) &q->u.general->buf, &q->u.general->len, o);
87 void Yaz_CharsetConverter::convert_type_1(Z_Operand *q, ODR o)
92 convert_type_1(q->u.attributesPlusTerm->term, o);
94 case Z_Operand_resultSetId:
96 case Z_Operand_resultAttr:
101 void Yaz_CharsetConverter::convert_type_1(Z_RPNStructure *q, ODR o)
105 case Z_RPNStructure_simple:
106 convert_type_1(q->u.simple, o);
108 case Z_RPNStructure_complex:
109 convert_type_1(q->u.complex->s1, o);
110 convert_type_1(q->u.complex->s2, o);
114 void Yaz_CharsetConverter::convert_type_1(Z_RPNQuery *q, ODR o)
116 if (m_target_query_charset && m_client_query_charset)
118 m_ct = yaz_iconv_open(m_target_query_charset,
119 m_client_query_charset);
122 convert_type_1(q->RPNStructure, o);
123 yaz_iconv_close(m_ct);